Related Clues:

• Tiny organism
• Bit of plankton
• Yellowish-red
• Iodine source
• Deep pink
• Ocean oxygen source
• Bit of ocean flora
• Sea lettuce, for one
• Morsel for a sea snail
• Snack for a surgeonfish
• Pinkish
• Aquarium dweller
• Sea of the Solomon Islands
• Pond organism
• Atoll component